A short overview on low mass scalars at future lepton colliders -- LCWS23 proceedings

TL;DR

This paper reviews potential new light scalar particles below 125 GeV that could be explored at future electron-positron colliders, summarizing models and studies relevant to such scenarios.

Contribution

It provides a concise overview of theoretical models and experimental prospects for detecting low-mass scalars at future lepton colliders, building on recent research.

Findings

Identification of models with sub-125 GeV scalars

Discussion of collider study strategies for light scalars

Summary of partial results from recent studies

Abstract

I give a short summary on scenarios with new physics scalars that could be investigated at future $e^+e^-$ colliders. I concentrate on cases where at least one of the additional scalar has a mass below 125 GeV, and discuss both models where this could be realized, as well as studies which focus on such scenarios. This work is based on arXiv:2205.09687, and partial results were also presented in arXiv:2211.10231.